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Senior Java Developer Jobs in Oakville, ON (NOW HIRING)

NearSource

Senior JAVA Backend Developer

Toronto, ON · Remote

CA$80 - CA$90/hr

Senior Java Backend Developer Location: 100% Remote, Canada Experience: 7 to 10 Years Employment Type: T4 Contract Rate: CAD $80 to $90 per Hour Role Summary NearSource is seeking a Senior Java ...

Royal Bank of Canada

Sr Software Developer

Toronto, ON · On-site

We are seeking a Senior Java Developer to design, build, and maintain high-performance applications that facilitate basket trading & handle streaming data within Global Equities business. This is a ...

Scotiabank

Java Developer - Java/React

Toronto, ON · On-site

Reporting to the Senior Manager Development, this Sr. Software Developer role is responsible for ... Must have technical working experience with Core Java (Version 8 or higher)/Java, JDK17+

Synechron

Sr. Core Java Developer

Toronto, ON · Hybrid

CA$120K - CA$140K/yr

Our challenge We are seeking a highly experienced and hands-on Java Developer with a strong background in Core Java, Spring Framework, and low-latency multi-threaded programming to join our dynamic ...

Td

Senior Java Engineer, TD Securities

Toronto, ON

CA$126K - CA$164K/yr

... performing Java and Data engineer to help us design and implement next-generation calculations ... senior, executive stakeholders. Desired Skillsets: * Java/JEE * Spark/Scala * Big Data/Hadoop/Hive

Alert Driving

Senior Database Java Developer

Toronto, ON · On-site

$80 - $120/hr

Position Summary We are currently looking for an experienced application developer who is well ... Knowledge-building Java-based REST or GraphQL web services * Knowledge of front-end UI development ...

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Senior Java Developer information

See Oakville, ON salary details

$61.2K

$113.3K

$155.9K

How much do senior java developer jobs pay per year?

As of Jul 13, 2026, the average yearly pay for senior java developer in Oakville, ON is $113,345.00, according to ZipRecruiter salary data. Most workers in this role earn between $96,061.00 and $128,232.00 per year, depending on experience, location, and employer.

What is the difference between Senior Java Developer vs Java Software Engineer?

AspectSenior Java DeveloperJava Software Engineer
Required CredentialsBachelor's in CS or related, Java certifications often preferredBachelor's in CS or related, Java certifications beneficial
Work EnvironmentTeam lead roles, project management, mentoringDevelopment-focused, coding, testing, and implementation
Employer & Industry UsageTech companies, finance, e-commerceSoftware firms, startups, enterprise IT
Common Search & ComparisonOften compared for experience level and responsibilitiesSimilar roles with slight variations in scope

The main difference between a Senior Java Developer and a Java Software Engineer lies in their responsibilities and experience. Senior Java Developers typically take on leadership, mentoring, and project management roles, while Java Software Engineers focus more on coding, development, and technical implementation. Both roles require strong Java skills and relevant credentials, but the Senior Java Developer usually has more experience and a broader scope of responsibilities.

What are some common challenges Senior Java Developers face when working on large-scale enterprise projects?

Senior Java Developers often encounter challenges such as maintaining code quality across large codebases, managing dependencies between modules, and ensuring optimal application performance. Collaborating with cross-functional teams—including QA, DevOps, and product management—requires clear communication and effective problem-solving. Additionally, staying updated with the latest Java frameworks and best practices is essential for delivering scalable and maintainable solutions in complex enterprise environments.

What are the key skills and qualifications needed to thrive as a Senior Java Developer, and why are they important?

To thrive as a Senior Java Developer, you need advanced proficiency in Java programming, experience with software design patterns, and a strong grasp of backend development, often supported by a degree in computer science or related field. Familiarity with frameworks like Spring, build tools such as Maven or Gradle, and version control systems like Git, as well as knowledge of cloud platforms, is typically required. Excellent problem-solving, leadership, and communication skills help you guide teams and collaborate effectively. These competencies are crucial for delivering robust, scalable software solutions and driving technical success within development teams.

What are Senior Java Developers?

Senior Java Developers are experienced software engineers who specialize in using the Java programming language to design, develop, and maintain complex applications. They typically lead development teams, oversee project architecture, and ensure code quality through best practices. In addition to strong coding skills, they often mentor junior developers and collaborate with stakeholders to deliver robust software solutions. Their expertise is crucial in building scalable, high-performance applications across various industries.
What job categories do people searching Senior Java Developer jobs in Oakville, ON look for? The top searched job categories for Senior Java Developer jobs in Oakville, ON are:
What cities near Oakville, ON are hiring for Senior Java Developer jobs? Cities near Oakville, ON with the most Senior Java Developer job openings:
Senior Java Developer jobs near you
Senior Java Developer - Vice President

Senior Java Developer - Vice President

Citi

Mississauga, ON • On-site

CA$120K - CA$170K/yr

Full-time

This job post has expired today. Applications are no longer accepted.

Job description

We are seeking a highly skilled and experienced Senior Java Engineer to join our dynamic team. The ideal candidate will be a technical leader, proficient in modern full-stack development, and passionate about leveraging cutting-edge AI tools and methodologies to build innovative and robust enterprise solutions.

Responsibilities

  • Write clean, secure, and highly performant Java code using Spring Boot and related frameworks, adhering to best practices and coding standards.
  • Build modern, responsive front-end interfaces with a focus on user experience and robust, scalable RESTful APIs.
  • Lead architectural decisions, perform comprehensive code reviews, and mentor junior and mid-level developers, fostering a culture of technical excellence.
  • Collaborate closely with product managers and UI/UX designers to translate complex requirements into elegant and efficient technical solutions.
  • Champion continuous integration/continuous deployment (CI/CD) practices and oversee automated cloud deployments on platforms like AWS/GCP.
  • Actively utilize AI-powered development tools such as GitHub Copilot, Devin, Claude Code, and Cursor to accelerate development, improve code quality, and assist in debugging and refactoring efforts.
  • Contribute to the design and implementation of AI/ML integration patterns within applications, understanding the lifecycle of LLM-powered features.
  • Explore and integrate new AI technologies and frameworks to enhance application capabilities and developer productivity.

Skills

  • Backend: Advanced proficiency in Core Java, Spring Boot, microservices architecture, and asynchronous programming. Experience with performance tuning and optimization.
  • Frontend: Strong expertise in JavaScript (ES6+), TypeScript, and modern frameworks (e.g., React or Angular). Solid understanding of responsive design principles and front-end build tools.
  • Databases: Extensive experience with relational (SQL Server, PostgreSQL, Oracle) and non-relational (MongoDB, Cassandra) databases, including schema design, query optimization, and data migration strategies.
  • DevOps & Cloud: Proficiency with Docker, Kubernetes, and experience with cloud platforms (e.g., AWS, Azure, GCP), including OpenShift.
  • Version Control: Expert-level knowledge of Github and branching strategies.
  • AI/ML & Tooling:
    • Demonstrated experience with AI-powered development tools (e.g., GitHub Copilot, Devin, Claude Code, Cursor) for code generation, debugging, and refactoring.
    • Fundamental understanding of Large Language Models (LLMs) and their application in software development.
    • Proficiency in Python for scripting, data processing, and integration with AI/ML frameworks.
    • Hands-on experience with Generative AI concepts, Large Language Models (LLMs), transformer architectures, RAG, and advanced agentic frameworks such as Google ADK(preferred),  LangChain, LangGraph,. 
  • Soft Skills: Exceptional problem-solving abilities, strong communication, technical leadership, mentorship, and a proactive approach to continuous learning and innovation.

Experience

  • 6+ years of professional software engineering experience, with at least 3 years focused on modern full-stack development.
  • Proven track record of successfully designing, deploying, and maintaining high-scale, customer-facing applications in production environments.
  • Experience taking ownership of key project areas, driving technical initiatives, and leading cross-functional teams.
  • Prior experience integrating or working with AI/ML components or services is highly desirable.

Education

  • Bachelor’s or Master’s degree in Computer Science, Software Engineering, or an equivalent technical field.

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Job Family Group: Technology

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Job Family:Applications Development

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Time Type:Full time

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Primary Location Full Time Salary Range:$120,800.00 - $170,800.00

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Most Relevant Skills Please see the requirements listed above.

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Other Relevant Skills For complementary skills, please see above and/or contact the recruiter.

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Automated Processing and AI

We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi.

Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details.

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This job opening is for an existing job vacancy.

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Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

 

If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi.
View Citi’s EEO Policy Statement and the Know Your Rights poster.

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